Five marks exercise problems VII — task. Mathematics State Board, Class 9.

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Show that the following points taken in order form an isosceles triangle.

\(A(5, 4)\), \(B(2, 0)\), \(C(-2, 3)\)

Proof:

AB = i

BC = i

CA = i \sqrt{i}

and

Thus, \(ABC\) is an isosceles triangle.

Did you find an error?

21. Five marks exercise problems VII